Plastic Glazing Bead
A contractor from Palo Alto, CA says:
September 26, 2016
Looking for the black plastic glazing bead for 1985 Mercer brand aluminum windows??? please see the attached picture. We are replacing the glass in about 40 windows and need replacement bead for all in a hurry!
Paul from SWISCO responded:
September 29, 2016
Please see our 55-195-6 glazing. I think this may be what you want.